Roller-bearing.



Patented July 8, 1913.

lf le J. A. PERKINS.

ROLLER BEARING.

APPLIOATION FILED MAR. 22, 1906.

,rollers as elosel)7 as possible to the oaiwlieel vwhili is fixed to theaxle and nearas 'praetioable'to the sliafbcollarl To enable iinrriinsrfrrns Parenti? ormon- 'JULrUs A. PERKINS, or OMAHA, NEBRASKA?AssrGNoR., BY einem: ASSIGNMENTS, 'ro 'UNIrnn STATES ROLLER BEARING-COMPANY, er JERSEY CITY, NEW JERSEY, A.

coiiroRA'rioN or New JERSEY.

ROLLER-Beltrame.

laton ted July 8, 1913.

. Original application led August 14, 1903-, Serial No. 169,500. Dividedand this application filed March 22,

' 190. Serial No, 307,523. l

To all 'whom it may Mmmm: I

Bo it known that l, .lomos A, Pi-JiiKi'Ns, a citizen ofthe UnitedStates, and resident of Omaha, county of Douglas, State of liraska,liaveinve-nled an lniproveinent in Roller-Bearings, of which thefollowing de s'cription, ineonnection with the accompany ingr drawing.is a speeitic.fiiion,like letters on the drawings representing likeparts.

This invention has for its aiin to improve, strengthen and simplify. theconstruction of roller bearings of the class shown iii United StatesPatent No. 664820, dated December 251.1900- i iHerein I have aimed tobring the bearingthis to he done Lhave made theouter ri iig of theroller-earryiiigeage wider so that a part thereof extends inwardly farenough to overlap the periphery of 'the Vbearing-rollers` and preferablyoverlap a shoulder 'of the shatt tronrwhieh extends the tenori' onv'which is applied a cage' controller, thev radial flange of saidcontroller 'oceupying a position Soniev what removed from the shoulderof the jour nal Tlieinner edge of the outer ring of the eageentersloosely a space outside the shoiil der of the journal, at opposite sidesof which are located indestructible Washers preferably or". hard fiberthe. distanee between the faces of .the washers being Vin excess of thethicle ness of the end-ring of the eage,so that the oageis permitted ltofloat on the journal and may be arrested in its to'and-`i^o movements bv one or the other of thewasliers. In this way the eagefeontrollereofaots with one end of the enge. andthe liiib of the cage-control lei`fittiiugy the tenoii, ent-ers the cage.

Figure lqslioiifs part of a ear axle in elevation with mbox, roller cageandro-acting paris in longitudinal section, the dust guard boingomitted; Fig. 9 i an enlarged detail to be referred to, and Fig. 3 showsone end of a spindle with its enlargement.

Referring to the drawing, A represents one of the journals ofaear-:ixlehaving :i .roduood portion A* and a tenoii A2. The box is closed iii itsouter end b y u cap D* shown as having a tapered tonguetI that con-'taets .withaiiy usual packing i laced in an annular chamber canin theend oi the box, the

annular groove next the end of the journal,

said groove beingr made at. a distance from the periphery of said ringand receiving' a seriesof balls e that' serve to arrest and preventiveardue to end-thriist. The groove in the ringr (fi has a gate e* heldinoperaiilv position b va screw e and by taking out thi screw and removingthe gate, the balls ,3 may be inserted in the groove, the Sli-alpe' df`the groove being sueh that the balls can not be removed therefromexcept through the gate. has applied to it. a cage controller D havingay radialtlange 1)1 The inner end of the .controller substantially.ibiits the shoulder d* ,of the reduced part A* of the journal. 'Theshoulder (i of the journal, as v'vell as the inner side of the radialHarige D 'of the cage controller l), each sustain'aii Vanti-frictionwasher (Z, (if, which may be of hard-fiber or equivalent. material. Y

`fThe oageearrying the bearing--rollers 7"-'0 is composed of tivo endrings f, f, united rigidll7 by bars fx, or in any usual manner. The(interi-ing j" is represented as Wider than the inner-ring, the inneredge of the outeiwringr overlapping, as shown, the ends oic thebearingrollers f2 surrounding spindles held in the cage-ends, as willVbe described, said outer-ring also overlapping as shown the shoulder (Zof the journal. The

outer-ring enters looselyy the space between the washers fl" and d2. andhas a'fieedoin of movement therein siifiieient .to provide for theflotation of the cage bet-Ween tlie journal and the bos.

ln the patent. referred to, the journal cai ried tivo cage controllersone at `each end, said one@ controllers co-acting with opposite ends ol`tho cage, but. heroin in order toenable the bearing-rollers to bebrought closer to the (:ii-\i'lieel.\vliich will be seeiired'upon theshaft as Closely as practicable to the collar A3 surrounding the saine,l have provided for controlling the extent of flotation of the Cage fromthe outer end .theredf` The washers d', d'1 receive the blows of thecage in its rotation with the journal, and are retained in place .ou thereduced portion A* The tenori at the end of the journal' of the journaland bn the flange D of the detachable controller D in the followingmanner :--'I` he periphery of theshank of the controller has a slightannular groove 20, and after the washer d2 has been put in position athin brass vor soft metal sleeve 21 is placed over the 'reduced part ofthe control-- er, and with a toolthe sleeve is acted upon opposite thegroove, forcing the metal of the sleeve into the groove and thusfastening the sleeve to the controller. The reduced part AX ofthejournal is also groove'd in like manner at 20X and receives a sleevewhich is secured in place as described of sleeve 21, it retaining thewasher cl in its operat-ive position said sleeve having flat portions 22at each side of the groove 20X.` By securing this Washer in position asshown it is possible to `take the cage cont-roller D and the cage fromthe journal, the. controller and washei` cl2 being prevented fromseparating during the inspection of the cage and spindles.

In the production of a bearing it is abso lutely necessary whenconstructing the same for practical use to also provide for any possibleaccident, no matter how remote, that might happen and might render thebearing Worthless when a car is on a. trip, it being understoottthat incase a bearing should become inoperative it must be either renewedimmediately or else the car containing it must be set oft a. train.W'ith this ;idea of excessive safety I have enlarged the ends f2x of thespindles on which the anti-friction balls travel, have hardened saidenlarged ends, and have made saidvenlarged ends of sutlieient length toenter for a distance within the bores made through the centers of thebearing rollers f2, and I'liave So finished the exteriors of theenlarged parts of the spindles and the 'interiors of the bores near thechambers containing the balls f3, and have made the diameters of theenlargements and the diameters of the bores so that the enlarged part ofthe spindle nearly touches the finished portions of the bores.

In use if the balls and flanges of the rolls renlain intact as iSexpected of them, the bearing will remain intact and cont-inneoperative, but in case of an'uhforeseen accident or fault, say forinstance, in a ball or in a flange, any particular bearing roller shouldbecome inoperative, were it not for the enlargement. of the spindle andits close proximity to the interior of the bore, the

.bearing if running at Speed would be de slroyed, owinzf.,ytdthenn-alinement 0f that comes for any reason inoperative, then theroller will take friction'al bearing instantly upon the enlarged part ofthe spindle, and

this bearing will be suflieiently durable to permit a car to completeany customary trip.

lThe spindles f2 have their opposite ends tapered or beveled somewhat asat f, and they are inserted in the cage in a novel manner.

It is very desirable to be able to inspect the spindles without..destroying the cages, and to do this I first drill in the lopposite endrings of the'cage, holes exactly in alinement, said holesheing a littlesmaller than the diameter of the enlarged ends of the spindles. I nextwith another and larger reamer reani out the holes at one end of thecage to the diameter of the enlarged ends of the spindle, and pass thereanier into the hole at the opposite end of the cage from the innerside thereof tar enougli to leave a tapering abutment 25 in that eageendagainst which may take seatthe beveled end of the spindle first to beinserted in the' cage, as for instance the left hand spindle has beeninserted and-the opposite end has taken seat in the opposite flange,with a suitable tool I turn over the flange 3 onto the beveled end ofthe spindle, as shown in Fig. 1. This locks the spindles firmly againsteither longitudinal or rotaryl movement in the cage-end. To inspect thespindle the'eage will be withdrawn from between the journal and box, andwith a punch or otherappliance the inner end of the spindle will beacted upon directly, and the spindlcwvill be forced longitudinally fromthe cage, the beveled end of the spindle in contact with the inturnedflange 3 acting to straighten out said flange and permit the spindlepassing out of the Cage.

Preferably the Cage ends are madeof boiler plate, the metal of whichwill stand the operation described for many times.

Again, with reference t9 excessive safety and provisions forcompensating for any fault, for instance, of the end-thrust means due tothe cutting of the balls e3 into, say, the face of the controller,.orinto the groove `in which the balls travel, I have provided the bearingwith an auxiliary, frictinal end-thrust device herein represented as areason the end-thrust. means should become inoperative, the end of thecontroller flange D and the end of the tenori, or either. may contactwith the disk h so that the latter will constitute a frictionalend-thrust device. Preferably the disk will he so applied that it mayrevolve under the action-ol the journal.

Havingy fully described my invention. what I claim aS new andi-desire tosecure hv Letters Patent is l. In a roller-hearmg` a journal. a hox` anda floating-cagare` a series of hearing-rollers mounted in the cage, theouter-end 'ring of"said cage being wider than the inner-end ringlthereof, and a cage-controller located near the outer-end of Saidjournal and en gaging only the Outer-ring of the cage.

2. In a roller-hearing, a journal having a tcnon at its end andprehenting a shoulder at the junction of the tenon and journal. acontroller, a lpluality of washers, a cage,

and hearilngT rollerby contained therein, the outer end of the cagebeing of a width to enter loosely the space between said 'ashers toprovide for floating of the cage.

3. In a roller-bearing, an axle havingr a` reduced portion and a tenon`ra 'aslier surrounding said reduced portion, and means to lecure saidwasher to said reduced por tion. a cage controller Surroundii'ig saidtenon, a washer fitted to said controller, and mcan`,l to maintain .saidwasher on said controllcr.

In testimony whereof, I have signed my name to this specification` inthe presence of two suhscrihinggl witnesses.

JULIUS A. PERKINS.

'itnesscs:

A. L. Nonuax, Tnouas B. MCCREADY.

